Tissue box



FIG. 1 is a perspective view from the left of a tissue box showing my new design;

FIG. 2 is a perspective view from the left;

FIG. 3 is a side elevation taken from the right of FIG. 4;

FIG. 4 is a top plan view;

FIG. 5 is a side elevation taken from the left of FIG. 4;

FIG. 6 is a front elevation; and,

FIG. 7 is a bottom plan view. 

The ornamental design for a tissue box, as shown and described. 